@mobile_screen: 1080px;

.flex(@jc: center; @ai: center; @fd: row) {
    display: flex;
    justify-content: @jc;
    align-items: @ai;
    flex-direction: @fd;
}

.text_over {
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}